#include <iostream>
#include <string>

class girlfriend
{
public:
    girlfriend(std::string name,int age,std::string sex="女")
    :_name(name)
    ,_age(age)
    {}
    

    ~girlfriend()
    {}
private:
    std::string _name; 
    int _age;
    std::string _sex;
};
int main()
{
    girlfriend *girlfriend_1=new girlfriend("女朋友1号",18);
    girlfriend *girlfriend_2=new girlfriend("女朋友2号",18);
    girlfriend *girlfriend_3=new girlfriend("女朋友3号",18);
    return 0;
}